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javascript - How to set up jquery or js to monitor web page refresh and browser closing

How to set up jquery or js to monitor web page refresh and browser closing

阿神 2017-05-16 13:38:03 0  1  656

javascript - Jquery selector issue for crawling web pages

When using Jquery to analyze web pages, I feel that both writing methods should be able to choose. But in fact, the above writing method is OK, but the following URL is not: http://www.shindengen.co.jp/t... {code...} The dl I see in the F12 developer tool of chrome is <dl class="...

滿天的星座 2017-05-18 10:49:44 0  1  744

javascript - iphone safari browser input focus problem

I limited the height of the web page to 100% and positioned an input box absolutely at the bottom. In Safari on iOS, when the input box is clicked, the virtual keyboard pops up and the entire page is pushed up, but at least the input box is on the keyboard. Above, you can see. But if the keyboard po...

PHPz 2017-05-19 10:31:43 0  1  824

javascript - Problem with crawling web page Jquery selector first-child

When crawling a website, I feel that h2 and h3 have the same structure. Why can h2:first-child get data, but h3 cannot? The final results h2_1 and h2_2 are the same, no problem. h3_1 is OK, but h3_2 is empty. Why is this? The code is as follows, {code...}

巴扎黑 2017-05-16 13:28:41 0  1  591

angular.js - The server side does not use the view layer, and all APIs are used to return json, which is handed over to the front-end angularjs for rendering. Is it suitable for an e-commerce website?

Our overall requirement is to do PC web in the early stage and mobile web in the later stage. Should I use jquery + bootstrap for the PC web separately and angularjs for the mobile terminal, or should I use angularjs directly? Comprehensive consideration of performance (caching), security, overall d...

世界只因有你 2017-05-15 16:53:24 0  3  739

Preview of the teaching course on September 19, 2018: Common Ajax operations and practical combat in jQuery

1. Teaching Topic: Common Ajax Operations and Practical Practices in jQuery AJAX stands for "Asynchronous Javascript And XML" and refers to a web development technology for creating interactive web applications. AJAX = Asynchronous JavaScript and XML (a subset of Standard Universal Markup ...

藏色散人 2018-09-19 10:51:42 0  0  1612

How to keep title on top of visual viewport after layout/visual viewport changes in Chrome mobile web?

I know there are multiple questions related to this, but none of them seem to be valid anymore since the browser team has made changes since these questions were asked. I'm trying to find the latest solution to this problem. Goal My desire is to have the fixed header stay still on top for an app-lik...

P粉833546953 2024-03-28 00:24:35 0  1  486

javascript - Is there a front-end framework suitable for developing mobile Html5 web games?

I do PHP, and currently I only use simple javaScript and JQuery, and I have never used a front-end framework. Is there a front-end framework suitable for developing mobile Html5 web games? Just some simple mini-games, such as Snake, Tetris, and masturbation, which may need appropriate beautification...

僅有的幸福 2017-05-31 10:42:02 0  7  1491

javascript - There are too many table columns. Is there any plug-in that can provide column sorting and selection of columns to display?

The table has too many columns. Is there any plug-in that can provide the function of sorting columns and selecting columns to display? For example, check the columns that need to be displayed. I have seen this function when working on jquery mobile, but the plug-in on the web side cannot be found. ...

PHP中文網(wǎng) 2017-06-26 10:55:14 0  2  1059

post-php interface development error debugging problem

When developing with PHP, var_dump is generally used to print debugging errors, which is simple and clear. But when doing interface development or jquery data interaction, debugging is not convenient, especially when I don’t know what the data posted or the value fed back is. I don’t know if there i...

扔個三星炸死你 2017-06-27 09:17:37 0  5  1502

angular.js - How to implement lazy loading of images in angularjs?

To write a web page that displays a list of images on the mobile terminal, jQuery's lazy loading plug-in was used to implement this function in the past, but now it is required that jQuery and other plug-ins cannot be used, and only angularjs can be used to implement this function. The path of the i...

某草草 2017-05-15 16:51:49 0  5  1012

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  591

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1389

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59 0  4  2943

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34 0  1  1172

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15 0  0  1187

Issues with resending WeChat public account template messages?

For example: I am using PHP to develop WeChat public accounts. If I send a template message, the WeChat client may receive 1-3 messages. I checked Baidu and said that the WeChat server will resend in 5 seconds. How to solve this problem?

飛揚(yáng) 2017-10-11 08:00:11 0  0  1141

How to install php7

我無限黑暗里的小太陽▼ 2017-10-11 09:11:44 0  1  1145

Solve (no language limit)

A census taker asked a woman, "How many children do you have and how old are they?" The woman replied, "I have three children. Their ages multiplied is 36. The sum of their ages is equal to the house number of the segregated room." Census The enumerator immediately went to the ne...

路過 2017-10-11 10:20:08 0  1  1364

There is no WWW file in the phpStudy directory. Enter localhost in the website and the hello world solution will come out directly! I created the WWW folder in the root directory and then created an abc.php. localhost/abc.php still didn't come out and an error was reported. not found

<?phpphpinfo();?>

M..moli瞎 2017-10-11 11:45:27 0  7  5212